package net.zjitc.map;

import java.util.ArrayList;

/**
 * @Author admin
 * @Date 2019/3/27 11:37
 */
public class ArrayListTest {
    public static void main(String[] args) {
        ArrayList arrayList=new ArrayList();
        arrayList.add("hello");
        arrayList.add("java");
        arrayList.add("mysql");

        System.out.println(arrayList.get(1));
        System.out.println(arrayList.size());

        int al=3,a2=4,a3=5;
        ArrayList List2=new ArrayList();
        List2.add(al);

        Student student1=new Student("张三",19);
        Student student2=new Student("李四",19);


    }
}
